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Grammatical, style, and confusing example changes (#31490)

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Jadon Orr
2018-10-31 11:28:21 -04:00
committed by Paul Gamble
parent 28d8fe3e5d
commit 7c20508efe
1 changed files with 6 additions and 6 deletions
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12
guide/english/javascript/es6/template-literals/index.md
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@ -5,18 +5,18 @@ title: Template Literals
## Template Literals ## Template Literals
## Introduction: ## Introduction:
When we want to use variable to make a string, it becomes very painful as we have to use + sign to concatenate and keep track of quotes. When we want to use a variable to make a string, it becomes very painful as we have to use a + sign to concatenate and keep track of quotes.
Now with ES6,We can make string using backticks and using placeholders which are indicated with dollar sign and curly braces, like ${expression } . Now with ES6, we can make the string using backticks. Then, insert the variable like this, ${variable}.
```javascript ```javascript
const name='John'; const name='John';
const city='London'; const city='London';
Older Style: Older Style:
const sentence ='My name is '+ name +'. I live in '+city. const sentence ='My name is '+ name +'. I live in '+ city.
ES6 way: ES6 way:
const sentence = `My name is ${name}. I live in ${city}`; const sentence = `My name is ${name}. I live in ${city}`;
Here ${name} and ${city}are going to be interpolated by the variable name and city respectively. Here ${name} and ${city} are going to be interpolated by the variable name and city respectively.
``` ```
## MultiLine Strings: ## MultiLine Strings:
Older style: Older style:
@ -27,7 +27,7 @@ const multipleLineString= "We have \
multiple lines \ multiple lines \
here"; here";
``` ```
Now when we want to create a mutiline string, we can make use of template strings.We can surround our string with backticks. This approach is extremely helpful when we want to create some dynamic html markup. Now when we want to create a mutiline string, we can make use of template strings. We can surround our string with backticks. This approach is extremely helpful when we want to create some dynamic html markup.
```javascript ```javascript
const htmlMarkup = ` const htmlMarkup = `
<html> <html>
@ -60,7 +60,7 @@ const data = {name: 'John', city: 'London', birthyear: 1900};
const markup = `<div>${data.name} lives in ${data.city}. ${data.birthyear ? `<div>He was born in the year ${data.birthyear}</div>`:''}</div>`; const markup = `<div>${data.name} lives in ${data.city}. ${data.birthyear ? `<div>He was born in the year ${data.birthyear}</div>`:''}</div>`;
``` ```
In the example above, if birthyear is defined, then div with contents "He was born in the year" is generated otherwise there would be no div created. In the example above, if birthyear is defined, then the div with contents "He was born in the year" is generated otherwise there would be no div created.
We can also call functions inside the template strings. We can also call functions inside the template strings.